计算结果表明：在通气空泡的形成过程中，通气方向角存在着一个临界值，使得空泡形态由片状空泡过渡到超空泡；
The results of simulation indicate that there is a critical value for ventilation direction to transfer sheet cavity into supercavity.
细胞形态学上K562细胞原始未分化特性比较明显，HL60细胞质内已有嗜天青颗粒和空泡等细胞分化特征。
MPO was positive in HL60 cells. K562 cells morphology obviously showed a primitive and no-differentiation characteristic.
结果：苦参碱处理后CNE2细胞形态发生改变，细胞皱缩，变小变圆，空泡明显。
Results: Morphological changes of matrine on CNE2 cells: cell shrinkage, cell size reduction and turn round, cytoplasmic vacuolar changes.
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